How To Fix FKKINV063 - Billing document with external document number &1 logical system &2 unkwn

FKKINV063 - Overview

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 063

• Message text: Billing document with external document number &1 logical system &2 unkwn

What causes this issue?

There is no billing document with <DS:DE.REFDOCNO_KK>external document
number</> &v1& from the <DS:DE.LOGSYS>logical system</> &v2&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKINV063 - Billing document with external document number &1 logical system &2 unkwn ?

  The SAP error message FKKINV063 indicates that there is an issue with a billing document that has an external document number. The message typically means that the system cannot find the billing document associated with the specified external document number in the specified logical system.
  
  Cause:
  
  Missing Document: The billing document with the specified external document number does not exist in the system.
  Incorrect Logical System: The logical system specified in the error message may not be correct or may not be configured properly.
  Data Transfer Issues: There may have been issues during data transfer or integration processes, leading to the document not being created or recognized.
  
  Configuration Issues: There may be configuration issues in the system that prevent the document from being recognized.
  
  
  Solution:
  
  Verify Document Existence: Check if the billing document with the specified external document number exists in the system. You can do this by searching for the document in the relevant transaction (e.g.,